/**
 *Copyright [2010] [lcj(caijunlu@gmail.com)]
 *Licensed under the Apache License, Version 2.0 (the "License");
 *you may not use this file except in compliance with the License. 
 *You may obtain a copy of the License at 
 *             http://www.apache.org/licenses/LICENSE-2.0 
 *Unless required by applicable law or agreed to in writing, 
 *software distributed under the License is distributed on an "AS IS" BASIS, 
 *WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, 
 *either express or implied. See the License for the specific language governing permissions and limitations under the License
 */
package org.independent.servlet.session.manager;

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletResponse;

import org.independent.servlet.session.exception.ServletSessionException;
import org.independent.servlet.session.util.StringUtil;

/**
 * response use the cookie to store the session's id
 * 
 * @author lcj
 * 
 */
public class ResponseCookie  {

	final static public void handleResponse( HttpServletResponse response,
			final String sessionId) {
		if (response == null ||StringUtil.isBlank(sessionId)) {
			throw new ServletSessionException(
					"the response can't be null,also the sessionId can't be null! ");
		}
		final Cookie cookie = new Cookie(SessionsManager.sessionIdName,
				sessionId);
		cookie.setMaxAge(-1);
		response.addCookie(cookie);
	}

}
